diff --git a/smoke-test-maven-kotlin/pom.xml b/smoke-test-maven-kotlin/pom.xml
index 887ed4f..a54e8df 100644
--- a/smoke-test-maven-kotlin/pom.xml
+++ b/smoke-test-maven-kotlin/pom.xml
@@ -6,7 +6,7 @@
   <version>1.0.0</version>
   <properties>
     <codes.version>0.4.0</codes.version>
-    <kotlin.version>2.4.10</kotlin.version>
+    <kotlin.version>2.4.20</kotlin.version>
     <spring.framework.version>6.0.0</spring.framework.version>
   </properties>
   <dependencyManagement>